User Manual

Siemens Building Technologies VISONIK DCS Functions and System Messages VVS18 CM2U8567E / 04.1999
Landis & Staefa Division Function DRR 2-129
The reaction should be executed:
•
starting from a specific date
•
over a specified period, repeatable as desired.
The last reaction is undefined (How often = endlessly). The reaction is executed until it
is manually stopped.
This requires the following entries:
Beginning of the first reaction
"." (full stop)
"*" (Asterisk-corresponds to endless)
Time period between repeats
Example:
T8 10:11:14 Function=PNT : DRR
Operation =CH :
Start Date =24.07.1996: 3.8.1996
Entry =1 :
Start Time =10:11 : 08:00
End Date =03.08.1996: .
HowOften =* : *
Period =1Hour : 1Hour
In this example, the reaction starts on 3.8.96 and will be executed from then on, on a
daily basis, until manually stopped.
9370Z18E
Start DRR End of DRR not defined
time
First DRR Second DRR Last DRR and erase message
Start date, start time
Stop date = .
How often = *
1st. period
Definition of additional conditions (blocking flag)
A flag point with address and value(s) can be assigned to each reaction entry.
This blocking flag constitutes an additional condition that must be fulfilled before the
reaction is executed.
A reaction entry is said to be
blocked
if the current value of the flag
does not
correspond
to a value belonging to the entry.
Blocking Flag=. : $F10
Flag Value =Off : ?
Flag Value =(&,.,*,-,+=,-=,Off,Step 1,Step 2,Step 3):
A specific value or a combination of several values can be entered for the flag value.
Variation 3
Start date / time
Stop date
How often
Period
Blocking flag
Flag value